Product Description
CMT 690.173 Profile Knives for Insert Shaper System are a matched pair of alloyed steel shaping knives sized 1-37/64 in. x 5/32 in. (40x4mm) and designed for use with CMT universal cutter heads. These KSS-format profile knives deliver consistent molding and profiling results across a wide range of woodworking applications, from cabinet door making to decorative edge work. Sold as a pair of 2, the 690.173 knives slot into the CMT insert shaper system and bring long-lasting performance to spindle moulders, profile and edging machines, and similar equipment.
Key Features
- Alloyed Steel Construction - durable material composition supports repeated use and long-lasting performance in demanding shaping and moulding tasks.
- 40x4mm (1-37/64 in. x 5/32 in.) Knife Size - precise dimensions ensure a secure, consistent fit in compatible 40mm insert cutter heads, reducing setup time and improving profile repeatability.
- 6mm Radius Profile - the built-in 6mm radius produces smooth, clean curves on hardwood, softwood, MDF, and chipboard surfaces with minimal additional finishing needed.
- 1-37/64 in. Cutting Height - generous cutting height allows the knives to handle a full profile pass in a single run, increasing efficiency on moulding and profiling operations.
- Universal Cutter Head Compatibility - designed for CMT universal cutter heads, giving woodworkers the flexibility to swap profiles quickly without changing the entire tooling setup.
- Sold as a Pair (2 Knives) - matched pairs ensure balanced cutting forces on the cutter head, contributing to smoother operation and a more consistent finished profile.
Why This Product
- For shops already using CMT insert shaper cutter heads, these profile knives allow quick profile changes without purchasing an entirely new cutter body - saving both cost and changeover time.
- The alloyed steel construction and long-lasting performance rating make these knives a practical choice for production environments where tooling durability directly affects output quality.
- The 6mm radius and precise 40x4mm sizing work together to produce repeatable moulding profiles across a range of compatible wood materials, including hardwood, softwood, MDF, and chipboard.
- The pair format and universal cutter head compatibility make the 690.173 a versatile addition to any spindle moulder or profile and edging machine setup that accepts KSS 40mm knives.
Specifications
- Manufacturer Part Number: 690.173
- Brand: CMT Orange Tools
- Cutting Height: 1-37/64 in.
- Radius: 6mm
- Maximum Thickness: 5/32 in.
- Knife Size: 40x4mm (1-37/64 in. x 5/32 in.)
- Material: Alloyed Steel (SP)
- Quantity: 2 knives (sold as a pair)
- Format: KSS 40x4mm
Approved Applications
- Molding and Profiling
- Cabinet Door Making
- Edge Profiling
- Frame and Panel Work
- Hardwood Shaping
- Softwood Shaping
- MDF and Chipboard Profiling
Frequently Asked Questions
What cutter heads are these profile knives compatible with?
The CMT 690.173 knives are designed for CMT universal cutter heads that accept KSS 40x4mm profile knives. They are formatted for use within the CMT insert shaper system, allowing flexible profile swaps across compatible cutter head bodies.
What is the radius of the profile produced by the 690.173 knives?
The 690.173 profile knives feature a 6mm radius, which shapes smooth curved profiles on hardwood, softwood, MDF, and chipboard in a single pass on a spindle moulder or profile and edging machine.
How many knives are included in one order?
Each order includes a matched pair of 2 knives. Using a balanced pair on the cutter head helps maintain even cutting forces and produces a consistent, repeatable moulding profile.
What materials can these shaper knives be used on?
The 690.173 alloyed steel profile knives are suitable for use on hardwood, softwood, MDF, and chipboard. Their long-lasting performance characteristics make them appropriate for both intermittent workshop use and higher-volume production moulding runs.
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